ARGX vs RGEN

argenx SE

argenx SE, a clinical-stage biotechnology company, focuses on developing antibody-based therapies for the treatment of autoimmune diseases, hematology, and cancer. It is developing its lead product candidate, efgartigimod, for the treatment of patients with myasthenia gravis; immune thrombocytopenia in Phase III; pemphigus vulgaris in Phase III; chronic inflammatory demyelinating polyneuropathy in Phase III; and ENHANZE SC in pre-clinical stages. The company is also developing cusatuzumab in Phase II clinical stage in hematological cancer indications; ARGX-117 in phase I clinical trial with therapeutic potential in both orphan and large autoimmune inflammatory diseases; and preclinical products, including ARGX-118 for airway inflammation. Its partnered product candidates include ARGX-112 for treating skin inflammation, ARGX-116 for the treatment of dyslipidemia, and ARGX-115 for cancer immunotherapy, which are in Phase I clinical stages; and ARGX-114 for treating fibrosisand ARGX-119 for treating neuromuscular indications, which are in preclinical stage. The company has strategic partnership with AbbVie S.À.R.L. and LEO Pharma A/S; and collaboration agreement with Cilag GmbH International, Staten Biotechnology B.V., and Shire International GmbH. argenx SE was incorporated in 2008 and is based in Breda, the Netherlands.

Repligen Corporation

Repligen Corporation develops and commercializes bioprocessing technologies and systems for use in biological drug manufacturing process in North America, Europe, the Asia Pacific, and internationally. It offers Protein A ligands that are the binding components of Protein A affinity chromatography resins; and cell culture growth factor products. The company's chromatography products include OPUS pre-packed chromatography columns, which are used in the purification of biologics; and OPUS smaller-scale columns that are used in the high throughput process development screening, viral clearance validation studies, and scale down validation of chromatography processes. It also offers ELISA test kits; and chromatography resins under the CaptivA brand. In addition, the company offers filtration products, such as XCell Alternating Tangential Flow systems that are filtration devices used in upstream perfusion and cell culture processing; TangenX flat sheet cassettes, which are used in downstream biologic drug concentration and formulation processes; KrosFlo tangential flow filtration and tangential flow depth filtration systems; Spectra/Por laboratory and process dialysis products, and SpectraFlo dynamic dialysis systems; and ProConnex single-use hollow fiber. Further, it provides process analytics products, such as slope spectroscopy systems under the SoloVPE and FlowVPE brands. The company sells its products to life sciences, biopharmaceutical, and diagnostics companies; laboratory researchers; and contract manufacturing organizations. Repligen Corporation has collaboration agreements with Navigo Proteins GmbH to develop multiple affinity ligands; and Sartorius Stedim Biotech to create novel perfusion-enabled bioreactors. Repligen Corporation was incorporated in 1981 and is headquartered in Waltham, Massachusetts.